[INFO] crate wasm-wrapper-gen-build 0.0.3 is already in cache
[INFO] documenting wasm-wrapper-gen-build-0.0.3 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate wasm-wrapper-gen-build 0.0.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate wasm-wrapper-gen-build 0.0.3 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-wrapper-gen-build 0.0.3
[INFO] finished tweaking crates.io crate wasm-wrapper-gen-build 0.0.3
[INFO] tweaked toml for crates.io crate wasm-wrapper-gen-build 0.0.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 14dfbbf5c525e6ebb3b970a87ec69bddb254d959852cb10d8f40fc96bd6509d0
[INFO] running `Command { std: "docker" "start" "-a" "14dfbbf5c525e6ebb3b970a87ec69bddb254d959852cb10d8f40fc96bd6509d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14dfbbf5c525e6ebb3b970a87ec69bddb254d959852cb10d8f40fc96bd6509d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14dfbbf5c525e6ebb3b970a87ec69bddb254d959852cb10d8f40fc96bd6509d0", kill_on_drop: false }`
[INFO] [stdout] 14dfbbf5c525e6ebb3b970a87ec69bddb254d959852cb10d8f40fc96bd6509d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dca98fdf3d51537563731ed1801f70083fa93e6c0eb4af4f57cdb4a91d9b1c8f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dca98fdf3d51537563731ed1801f70083fa93e6c0eb4af4f57cdb4a91d9b1c8f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.2
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking proc-macro-hack v0.4.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking wasm-wrapper-gen-shared v0.0.3
[INFO] [stderr]  Documenting wasm-wrapper-gen-build v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::visit`
[INFO] [stdout]  --> src/source_searching.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use syn::visit::Visitor;
[INFO] [stdout]   |              ^^^^^ could not find `visit` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `visit` in `syn`
[INFO] [stdout]   --> src/source_searching.rs:53:11
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl syn::visit::Visitor for FindMacrosVisitor {
[INFO] [stdout]    |           ^^^^^ could not find `visit` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `wasm-wrapper-gen-build`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name wasm_wrapper_gen_build src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-d24bf09571c3451e.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-753b903e99a5b391.rmeta --extern wasm_wrapper_gen_shared=/opt/rustwide/target/debug/deps/libwasm_wrapper_gen_shared-9c505def15a1445b.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "dca98fdf3d51537563731ed1801f70083fa93e6c0eb4af4f57cdb4a91d9b1c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca98fdf3d51537563731ed1801f70083fa93e6c0eb4af4f57cdb4a91d9b1c8f", kill_on_drop: false }`
[INFO] [stdout] dca98fdf3d51537563731ed1801f70083fa93e6c0eb4af4f57cdb4a91d9b1c8f